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(No.RA032<Rev.001>)1-23
2.5
COMPONENTS DESCRIPTION
2.5.1 Main unit (XC1-1021-80)
Ref.No
Part Name
Description
IC1
IC
Voltage regulator (31BU)
IC2
IC
Power management
IC3
IC
Voltage regulator (12BU)
IC4
IC
Voltage regulator (33A)
IC5
IC
Voltage regulator (33M)
IC6
IC
Voltage regulator (50C)
IC7
IC
Voltage regulator (33SD)
IC8
IC
DC-DC Converter (54M)
IC9
IC
Load switch (18M)
IC10
IC
Voltage regulator (50A)
IC11
IC
DC-DC Converter (18M)
IC12
IC
Voltage regulator (33C)
IC13
IC
DC-DC Converter (200C)
IC14
IC
Voltage regulator (33OPT)
IC15
IC
Voltage regulator (90C)
IC16
IC
Voltage regulator (50CT)
IC17
IC
Voltage regulator (50R)
IC18
IC
Reset
IC100
IC
PLL IC
IC101
IC
Schmitt trigger
IC102
IC
DC AMP (CV/Assist)
IC300
IC
TX pre-drive AMP
IC302
IC
TX power control
IC303~305 IC
APC
IC500
IC
RX 1st mixer
IC501, 502 IC
RX Band Switch
IC600
IC
IF IC
IC701
IC
Flash memory
IC702
IC
Mobile DDR
IC703
IC
Clock buffer
IC704, 705 IC
Logic control
IC706
IC
MPU/DSP
IC707, 708 IC
Analog switch
IC709, 710 IC
Logic control
IC711
IC
I/O expander
IC712
IC
A/D converter
IC714
IC
Analog switch
IC715
IC
D/A converter
IC719
IC
D/A converter
IC720
IC
Reset
IC900
IC
Logic control
IC901
IC
DC AMP (25REF/VREF)
IC902
IC
Codec
IC903
IC
AF AMP
IC904
IC
Logic control
IC905
IC
Buffer AMP (BER CK/BER DT)
IC906
IC
Level shift
IC907
IC
Analog switch
IC908
IC
Schmitt trigger
IC909
IC
RS-232C driver
IC910
IC
I/O expander
IC912
IC
Logic control
Q1
Transistor
DC switch (SCTAM1)
Q3
FET
DC switch
Q4
DIGI
TRANSISTOR
DC switch
Q5
FET
DC switch (SB1)
Q6, 7
DIGI
TRANSISTOR
DC switch
Q8, 9
Transistor
Voltage regulator (50BU)
Q10
FET
DC switch (SB2)
Q11
DIGI
TRANSISTOR
DC switch
Q12
FET
DC switch
Q14
FET
DC switch
Q15
DIGI
TRANSISTOR
DC switch
Q16
FET
DC switch (90T)
Q17
DIGI
TRANSISTOR
DC switch
Q18
FET
DC switch (90ANT)
Q81
FET
T/R switch
Q102
FET
VCO oscillation
Q103
FET
DC switch
Q104
FET
VCO oscillation
Q105
Transistor
VCO Buffer amp
Q106
Transistor
VCO Doubler amp
Q107
Transistor
TX local Buffer amp
Q108
Transistor
Ripple filter
Q110
FET
DC switch
Q113
FET
T/R switch(VCO)
Q115
FET
DC switch
Q300, 301 FET
TX Pre-drive amp
Q302
FET
TX drive amp
Q303
FET
TX Final amp
Q304
FET
DC switch
Q305~307 Transistor
DC switch
Q308, 309 FET
DC switch
Q500
Transistor
RX local Buffer amp
Q501, 502 Transistor
LNA
Q503
FET
RX Band Switch
Ref.No
Part Name
Description
Summary of Contents for NX-5900
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